These are the general rules for proportioning silica-fume concrete. It is
essentially impossible to predict how all of the variables involved in one
of these mixtures will interact. The only acceptable method is to begin
with a known mixture and conduct testing using your local materials. After
a series of trial mixtures has been made, enough information should be
available to make decisions to fine tune your mixture.
The Silica Fume Association
38860 Sierra Lane, Lovettsville, VA 20180
Tel: 540.257.4224 Fax: 540.822.9456